diff options
| -rw-r--r-- | arch/powerpc/kernel/dt_cpu_ftrs.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 4313ff07edca..11a3a4fed3fb 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -708,11 +708,16 @@ static __init void cpufeatures_cpu_quirks(void) */ if ((version & 0xffffff00) == 0x004e0100) cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD1; + else if ((version & 0xffffefff) == 0x004e0200) + ; /* DD2.0 has no feature flag */ else if ((version & 0xffffefff) == 0x004e0201) cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD2_1; - else if ((version & 0xffffefff) == 0x004e0202) - cur_cpu_spec->cpu_features |= CPU_FTR_P9_TM_HV_ASSIST | - CPU_FTR_P9_TM_XER_SO_BUG; + else if ((version & 0xffffefff) == 0x004e0202) { + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TM_HV_ASSIST; + cur_cpu_spec->cpu_features |= CPU_FTR_P9_TM_XER_SO_BUG; + cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD2_1; + } else /* DD2.1 and up have DD2_1 */ + cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD2_1; if ((version & 0xffff0000) == 0x004e0000) { cur_cpu_spec->cpu_features &= ~(CPU_FTR_DAWR); |